Dr. Breanne Tidemann

Research Scientist

Research on integrated weed management, weed biology, harvest weed seed control and managing herbicide resistant weeds. Also conducts research on agronomic decisions for crop production and weed control.

Agriculture and Agri-Food Canada

Lacombe

Current research and/or projects

Research and/or project statements

- Evaluating the Harrington Seed Destructor at Field Scale in Alberta

- Mitigating herbicide resistance - investigating novel weed management strategies

- Early vs. late maturing crops for harvest weed seed control of wild oat

- In-crop clipping for weed control

Professional activities / interests

- Collaborative, multidisciplinary trials (integrated cropping systems strategies)

- Weed science and integrated weed management

Education and awards

B.Sc. Biological Sciences, University of Alberta, 2011

M.Sc. Plant Sciences, University of Alberta, 2014

Ph.D. Plant Sciences, University of Alberta, 2017

Key publications

Tidemann BD, Sharpe S, Geddes CM (2023) Curious and Concerning False Cleavers (Galium spurium) response to Quinclorac. Western Society of Weed Science Annual Meeting, Boise, Idaho. Feb 27 - March 2, 2023. Poster # 36
2023 - View publication details
Tidemann BD, Harker KN, Beckie HJ (2023) Field Scale Evaluation of the Harrington Seed Destructor in Alberta, Canada. Weed Science Society of America Annual Meeting. Poster #162
2023 - View publication details
Sharpe SM, Kaye T, Tidemann BD (2022) Stimulating Germination and Emergence of Wild Oat (Avena fatua) and Volunteer Cereals. Poster presentation at the Canadian Weed Science Society annual meeting in Halifax, NS.
2022 - View publication details
T.K. Turkington, H. Klein-Gebbinck, K. Xi, B. Beres, R. Aboukhaddour, Prabhath Lokuruge, A. Mulenga, G. Peng, W. May, R. Mohr, G. Telmosse, D. Pageau, A. Foster, B. Blackwell, H. Kubota, B. Tidemann, and G. Semach. 2021. The impact of row spacing, seeding rate, and fungicide timing on leaf disease and fusarium damaged kernel severity, deoxynivalenol, and productivity of spring wheat. Proceedings of the 2021 National Fusarium Head Blight Forum, December 6-7, 2021. Page 30.
2021 - View publication details
Geddes, C.M., Tidemann, B.D., and Sharpe, S.M. 2021. AAFC Herbicide resistance research update. Saskatchewan Crop Diagnostic School. 2021-07-28.
2021 - View publication details
Geddes, C.M., and Tidemann, B.D. 2021. Wicked weeds of the west and their bioclimatic drivers. Agriculture and Agri-Food Canada, Alberta Science Conversation Seminar Series. 2021-06-23. (Oral presentation).
2021 - View publication details
Tidemann BD, Harker KN, Geddes CM, Blackshaw RE, Lupwayi N, Shirtliffe S, Willenborg C, Johnson EN, Gulden R, Turkington TK, Semach G, Mulenga A (2020) Mitigating herbicide resistance: Incorporating integrated weed management strategies. Poster presentation at the Canadian Weed Science Society Virtual Meeting November 2020. Abstract 49. Available at https://www.weedscience.ca/resources/annual-meeting-archived-files/
2020 - View publication details
Tidemann, B.D., Harker, K.N., Johnson, E.N., Willenborg, C.J., Shirtliffe, S.J. (2020). Time of wild oat (Avena fatua) panicle clipping influences seed viability, 68(3), 260-267. http://dx.doi.org/10.1017/wsc.2020.19
2020 - View publication details
McMillan, T., Tidemann, B.D., OʼDonovan, J.T., Izydorczyk, M.S. (2020). Effects of plant growth regulator application on the malting quality of barley. Journal of the Science of Food and Agriculture, [online] 100(5), 2082-2089. http://dx.doi.org/10.1002/jsfa.10231
2020 - View publication details
Tidemann, B.D., Kubota, H., Reid, P., Zuidhof, J. (2020). Initial testing of a cage mill with an incorporated blade system on volunteer canola. Canadian Journal of Plant Science, [online] 100(5), 592-596. http://dx.doi.org/10.1139/cjps-2020-0010
2020 - View publication details
Tidemann, B.D., O’donovan, J.T., Izydorczyk, M., Turkington, T.K., Oatway, L., Beres, B., Mohr, R., May, W.E., Harker, K.N., Johnson, E.N., de Gooijer, H. (2020). Effects of plant growth regulator applications on malting barley in western Canada. Canadian Journal of Plant Science, [online] 100(6), 653-665. http://dx.doi.org/10.1139/cjps-2019-0200
2020 - View publication details
Harker, K.N., Hartman, M.D., Tidemann, B.D., O’Donovan, J.T., Turkington, T.K., Lupwayi, N.Z., Smith, E.G., Mohr, R.M. (2017). Attempts to rescue yield loss in continuous canola with agronomic inputs. Canadian Journal of Plant Science, [online] 98(3), 703-716. http://dx.doi.org/10.1139/cjps-2017-0337
2017 - View publication details
Tidemann, B.D., Hall, L.M., Harker, K.N., Beckie, H.J., Johnson, E.N., Stevenson, F.C. (2017). Suitability of Wild Oat (Avena fatua), False Cleavers (Galium spurium), and Volunteer Canola (Brassica napus) for Harvest Weed Seed Control in Western Canada, 65(6), 769-777. http://dx.doi.org/10.1017/wsc.2017.58
2017 - View publication details
Tidemann, B.D., Hall, L.M., Neil Harker, K., Beckie, H.J. (2017). Factors affecting weed seed devitalization with the harrington seed destructor, 65(5), 650-658. http://dx.doi.org/10.1017/wsc.2017.23
2017 - View publication details
Tidemann, B.D., Hall, L.M., Harker, K.N., Beckie, H.J. (2017). Potential Benefit and Risk of Fluridone as a Fall Germination Stimulant in Western Canada. Weed Technology, [online] 31(5), 773-780. http://dx.doi.org/10.1017/wet.2017.67
2017 - View publication details
Beckie, H.J., Blackshaw, R.E., Harker, K.N., Tidemann, B.D. (2017). Weed seed shatter in spring wheat in Alberta. Canadian Journal of Plant Science, [online] 98(1), 107-114. http://dx.doi.org/10.1139/cjps-2017-0103
2017 - View publication details
O’Donovan, J.T., Izydorczyk, M.S., Tidemann, B., Edney, M.J., Turkington, T.K., Grant, C.A., Harker, K.N., Gan, Y. (2017). Effect of preceding crop and nitrogen application on malting barley quality. Canadian Journal of Plant Science, [online] 97(6), 1014-1023. http://dx.doi.org/10.1139/cjps-2016-0411
2017 - View publication details
Harker KN, Tidemann BD, O'Donovan JT, Shirtliffe SJ, Willenborg C, Johnson EN, Michielsen L, Reid P. 2016. When Do Wild Oat Seeds Become Viable? Canadian Weed Science Society Annual Meeting, November 2016.
2016 - View publication details
Tidemann, B.D., Hall, L.M., Harker, K.N., Alexander, B.C.S. (2016). Identifying Critical Control Points in the Wild Oat (Avena fatua) Life Cycle and the Potential Effects of Harvest Weed-Seed Control. Weed Science, [online] 64(3), 463-473. http://dx.doi.org/10.1614/WS-D-15-00200.1
2016 - View publication details
Tidemann, B.D., Hall, L.M., Johnson, E.N., Beckie, H.J., Sapsford, K.L., Willenborg, C.J., Raatz, L.L. (2014). Additive efficacy of soil-applied pyroxasulfone and sulfentrazone combinations. Canadian Journal of Plant Science, [online] 94(7), 1245-1253. http://dx.doi.org/10.4141/CJPS-2014-124
2014 - View publication details